Portable desktop USB fan



FIG. 1 is a top perspective view of the portable desktop USB fan showing my new design.

FIG. 2 is a front view of the portable desktop USB fan.

FIG. 3 is a rear view of the portable desktop USB fan.

FIG. 4 is a left side view of the portable desktop USB fan.

FIG. 5 is a right side view of the portable desktop USB fan.

FIG. 6 is a top view of the portable desktop USB fan.

FIG. 7 is a bottom view of the portable desktop USB fan.

FIG. 8 is an enlarged view of the FIG. 2 ; and,

FIG. 9 is an enlarged view of the FIG. 3 .

Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the portable desktop USB fan design in the drawings. 

CLAIM The ornamental design for a portable desktop USB fan, as shown and described. 